VANCOUVER — Illicit guns that make their way across the U.S. border into Canada are a serious problem but a relative nuisance compared with the desperate battle being fought on the U.S.-Mexico border, say officials. More than 4,000 people — including hundreds of police officers — have died in the last 18 months as the Mexican government battles the country's powerful drug cartels. Border cities such as Tijuana and Ciudad Juarez have become virtual free-fire... (GunPolicy.org)